Happy Pi Day, everyone!

Welcome to March 14, or 3.14, National Pi Day here in the United States. Pi Day started in the mid-1980s when a Larry Shaw, a physicist at the San Francisco Exploratorium, celebrated the day, marked by the first three digits of pi, by gathering fellow pi appreciators and marching in circles while eating fruit pies. Various celebrations and ways of marking this math-loving holiday have occurred since then. For example, MIT has often mailed its application decision letters for delivery on Pi Day. Word is that starting this year the school will post those decisions (privately) online on Pi Day at exactly 6:28pm or “Tau Time” to honor the rival numbers Pi and Tau equally. For something more light hearted, check out this 26 step chain reaction based on Pi-themed objects. Einstein, ever way ahead of the masses, really knew how to celebrate Pi Day. He was born on March 14, 1879 ,...